Home / 268,424.72-370,433.18-147,569.05

Finding the Fourth Proportional to 268,424.72, 370,433.18 and 147,569.05

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Solution

The fourth proportional to 268,424.72, 370,433.18 and 147,569.05 is: 203,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,424.72 : 370,433.18 = 147,569.05 : x
  2. Step 2: Convert to fraction form
    268,424.72/370,433.18 = 147,569.05/x
  3. Step 3: Cross multiply
    268,424.72x = 370,433.18 × 147,569.05
  4. Step 4: Simplify right side
    268,424.72x = 54,664,471,903.92
  5. Step 5: Solve for x
    x = 54,664,471,903.92/268,424.72
  6. Step 6: Final answer
    x = 203,649.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.